Flora of North America species comparison

decumbent to ascending, 1.5–10(–18) cm underground, strigulose or pilosulous.

decumbent to ascending, villous-villosulous.

1.5–8(–11) cm;

stipules connate at proximal nodes, sometimes connate to 1/2 their length at distal nodes, 1.5–5 mm, papery at proximal nodes to thinly herbaceous at distal nodes;

leaflets (7–)11–19(–23), blades broadly obovate, obovate-cuneate, broadly oblong-elliptic, or suborbiculate, (1.5–)3–12(–17) mm, apex retuse, surfaces sparsely strigulose or pilosulous abaxially, glabrous, glabrate, or strigulose adaxially.

3–8.5 cm;

stipules connate-sheathing and papery-scarious at proximal nodes, submembranous at distal nodes, (1.5–)2–6.5 mm;

leaflets 13–21, blades narrowly oblong- or cuneate-oblanceolate, (4–)6–20(–23) mm, apex truncate-retuse to obtuse, surfaces usually villosulous, sometimes glabrescent or glabrous adaxially.

(4–)8–22(–33)-flowered;

axis (1–)2–6(–7.5) cm in fruit;

bracts 1–2.2 mm;

bracteoles 0.

(10–)15–25(–30)-flowered, 1 per leaf axil;

axis 3–10.5 cm in fruit;

bracts (1.5–)2–5 mm;

bracteoles 0–2.

incurved-ascending, (1–)1.5–8.5 cm, equal to or shorter than subtending leaf.

erect or incurved-ascending, (3–)6–14 cm.

1–2 mm.

1.3–3.5 mm, densely villous.

6.5–7.8 mm;

calyx campanulate or turbinate-campanulate, 3.2–4.5 mm, strigulose, hairs black, white, or fuscous, tube 2.2–2.7 mm, lobes subulate, 1–1.8 mm;

corolla whitish tinged with dull lilac;

banner recurved through 85°;

keel 4.4–6 mm.

(11.5–)13–17.4 mm;

calyx campanulate, obliquely cuneate, 6.4–9.7 mm, silky-villous, hairs white, sometimes also black, tube 5.2–7 × 3.5–4.5 mm, lobes triangular, 0.9–3 mm;

corolla ochroleucous or yellowish, immaculate;

banner recurved through 45°;

keel (9.5–)10.1–12.4 mm, apex sharply deltate.

stramineous, straight or slightly arched downward, oblong or clavate-ellipsoid, obcompressed, (7–)9–15 × 3–6 mm, ± bilocular, papery, strigulose or villosulous;

valves inflexed as partial or nearly complete septum 0.8–1.3 mm wide;

stipe obscure.

green and purple-mottled becoming brown or stramineous, straight or slightly curved, linear-oblong, strongly laterally compressed, 27–43 × 3.4–5, thinly fleshy becoming papery, strigulose or glabrous;

stipe 8–14 mm.

10–13.

(15–)19–25(–27).